EP 3823164 A1 20210519 - NOISE FILTER
Title (en)
NOISE FILTER
Title (de)
RAUSCHFILTER
Title (fr)
FILTRE DE BRUIT
Publication
Application
Priority
- JP 2018134367 A 20180717
- JP 2019117840 A 20190625
- JP 2019026909 W 20190705
Abstract (en)
A noise filter may include: a first conductive line extending between an input terminal portion and an output terminal portion, wherein the first conductive line includes an input-side conductive line extending between the input terminal portion and a branch portion, and an output-side conductive line extending between the output terminal portion and the branch portion; a second conductive line connected to the branch portion of the first conductive line, wherein a capacitor is on the second conductive line; and a magnetic body surrounding at least a part of a circumference of at least a part of the first conductive line, wherein the magnetic body is configured to magnetically couple the input-side conductive line and the output-side conductive line such that at least an equivalent series inductance of the capacitor and a parasitic inductance of the second conductive line are reduced by a mutual inductance between the input-side conductive line and the output-side conductive line.
IPC 8 full level
H03H 7/09 (2006.01); H02M 1/12 (2006.01); H02M 1/14 (2006.01); H03H 7/01 (2006.01)
CPC (source: EP US)
H01F 17/06 (2013.01 - EP); H03H 1/0007 (2013.01 - EP); H03H 7/0115 (2013.01 - EP US); H03H 7/0123 (2013.01 - EP); H03H 7/06 (2013.01 - US); H03H 7/09 (2013.01 - EP); H01F 2017/065 (2013.01 - EP); H02M 1/126 (2013.01 - EP); H02M 1/44 (2013.01 - US); H03H 2001/005 (2013.01 - EP); H03H 2001/0057 (2013.01 - EP)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 3823164 A1 20210519; EP 3823164 A4 20210908; CN 112425072 A 20210226; JP 2020017944 A 20200130; JP 7306106 B2 20230711
DOCDB simple family (application)
EP 19838824 A 20190705; CN 201980047055 A 20190705; JP 2019117840 A 20190625